Abstract and keywords
Abstract (English):
The administration of the drug Butofan stimulated oviposition and egg mass, the ratio of white, yolk and shell was 58%: 32%: 10%, shape index 76.50, carotenoid content - 13.94 μg/kg, vitamin A - 10.83 μg/kg , vitamin E -12.97 mg%. Thus, Butafan had a stimulating effect on the quality of eggs and their nutritional value.

Keywords:
broiler layers, eggs, Butofan, physical and chemical indicators.
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References

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